Elsevier

Inorganic Chemistry Communications

Volume 97, November 2018, Pages 109-112
Inorganic Chemistry Communications

Short communication
A polyhedral metal-organic framework based on rigid precursor for photocatalytic properties

https://doi.org/10.1016/j.inoche.2018.09.025Get rights and content

Highlights

  • The title MOF shows a 3D mfj topological framework

  • It exhibits photocatalytic property

  • The pDOS was used to confirm photocatalytic mechanism.

Abstract

A 3D polyhedral metal organic framework, [Cu4(L)2(H2O)4∙5DMF]n (1) (H4L = 3,5‑di(3,5‑dicarboxyphenyl)nitrobenzene), has been designed and successfully synthesized. 1 shows a 3D mfj topological framework with 1D triangular channels. The UV diffuse reflectance spectroscopy of the MOF indicates its semiconducting nature which induces photocatalytic property in the MOF. The photocatalytic property of 1 in photo-degradation of organic dyes viz. methyl violet and Rhodamine B have been investigated. The possible mechanism for the photocatalytic activity of 1 against organic dyes has been addressed using density of states (DOS) and partial DOS (pDOS) calculations.

Graphical abstract

The possible mechanism for the photocatalytic activity of 1 against organic dyes has been addressed.

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Section snippets

Conclusion

In summary, a 3D metal-organic framework displays mfj topological framework with 1D triangular channel. The band gap calculations using diffuse reflectance spectroscopy indicates that 1 shows semiconducting nature and hence offered potential application as photocatalyst for the degradation of aromatic dyes especially methyl violet. The presented investigation will definitely pave new path to develop such MOFs.

Acknowledgements

This work was partially supported by the grants from NSFC (21701033), Innovative Entrepreneurial Training Plan of undergraduates in Guangdong Province (201810571008, 201810571061, 201810571047, 201810571100, 201810571101) and Innovation experiment project of Guangdong Medical University (ZYDM024), Special Funds for Scientific and Technological Innovation of undergraduates in Guangdong Province (pdjha0218, pdjha0219, pdjha0226), Featured Innovation Project of Guangdong Province (2017KTSCX083)

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